| Abingdon School | ABINGDON Oxfordshire, OX14 1DE | Map | Website |
| Bedford School | BEDFORD Bedfordshire, MK40 2TU | Map | Website |
| Beechen Cliff School | BATH Somerset, BA2 4RE | Map | Website |
| Blundell's Prep School | TIVERTON Devon, EX16 4NA | Map | Website |
| Blundell's School | TIVERTON Devon, EX16 4DN | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Bristol Grammar School | BRISTOL Avon, BS8 1SR | Map | Website |
| Bromsgrove School | BROMSGROVE Worcestershire, B61 7DU | Map | Website |
| Bryanston School | BLANDFORD FORUM Dorset, DT11 0PX | Map | Website |
| Bryn Celynnog Comprehensive School | PONTYPRIDD South Wales, CF38 2AE | Map | Website |
| Campion School, Essex | HORNCHURCH Essex, RM11 3BX | Map | Website |
| Canford School | WIMBORNE Dorset, BH21 3AD | Map | Website |
| Castle Court Preparatory School | WIMBORNE Dorset, BH21 3RF | Map | Website |
| Cathedral School, Llandaff | CARDIFF Glamorgan, CF5 2YH | Map | Website |
| Cheltenham College | CHELTENHAM Gloucestershire, GL53 7LD | Map | Website |
| Christ College | BRECON South Wales, LD3 8AF | Map | Website |
| Clifton College | BRISTOL Avon, BS8 3JH | Map | Website |
| Collegiate | BRISTOL Avon, BS16 1BJ | Map | Website |
| Dauntsey's School | DEVIZES Wiltshire, SN10 4HE | Map | Website |
| Dean Close School | CHELTENHAM Gloucestershire, GL51 6HE | Map | Website |
| Downside School | BATH Avon, BA3 4RJ | Map | Website |
| Dr Challoner's Grammar School | AMERSHAM Buckinghamshire, HP6 5HA | Map | Website |
| Eltham College | LONDON Kent, SE9 4QF | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Exeter School | EXETER Devon, EX2 4NS | Map | Website |
| Fairfield Prep School | LOUGHBOROUGH Leicestershire, LE11 2AE | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Forres Sandle Manor School | FORDINGBRIDGE Hampshire, SP6 1NS | Map | Website |
| Haberdashers' Monmouth Schools | MONMOUTH Monmouthshire, NP25 5XT | Map | Website |
| Hanford School | BLANDFORD Dorset, DT11 8HN | Map | Website |
| Haverfordwest High VC School | HAVERFORDWEST Pembrokeshire, SA61 1EQ | Map | Website |
| Hymers College | HULL Yorkshire, HU3 1LW | Map | Website |
| Katharine Lady Berkeley's School | WOTTON-UNDER-EDGE Gloucestershire, GL12 8RB | Map | Website |
| King's College, Taunton | TAUNTON Somerset, TA1 3LA | Map | Website |
| King's School Bruton | BRUTON Somerset, BA10 0ED | Map | Website |
| Kingswood School | BATH Avon, BA1 5RG | Map | Website |
| Kirkham Grammar School | KIRKHAM Lancashire, PR4 2BH | Map | Website |
| Lancaster Royal Grammar School | LANCASTER Lancashire, LA1 3EF | Map | Website |
| Leicester Grammar School Trust | LEICESTER Leicestershire, LE8 9FL | Map | Website |
| London Oratory School | LONDON Middlesex, SW6 1RX | Map | Website |
| Marlborough College | MARLBOROUGH Wiltshire, SN8 1PA | Map | Website |
| Millfield Preparatory School | GLASTONBURY Somerset, BA6 8LD | Map | Website |
| Millfield School | STREET Somerset, BA16 0YD | Map | Website |
| Monkton Combe School | BATH Avon, BA2 7HG | Map | Website |
| Mount St Mary's College | SHEFFIELD Derbyshire, S21 3YL | Map | Website |
| Newcastle-Under-Lyme School | NEWCASTLE-UNDER-LYME Staffordshire, ST5 1DB | Map | Website |
| Oundle School | PETERBOROUGH Northamptonshire, PE8 4GH | Map | Website |
| Pangbourne College | READING Berkshire, RG8 8LA | Map | Website |
| Perrott Hill School | CREWKERNE Somerset, TA18 7SL | Map | Website |
| Port Regis School | SHAFTESBURY Dorset, SP7 9QA | Map | Website |
| Prince Henry's Grammar School | LEEDS Yorkshire, LS21 2BB | Map | Website |
| Prior Park College | BATH Avon, BA2 5AH | Map | Website |
| Queen Elizabeth's Hospital (QEH) | BRISTOL Avon, BS8 1JX | Map | Website |
| Queen's College, Taunton | TAUNTON Somerset, TA1 4QS | Map | Website |
| Ralph Allen School | BATH Somerset, BA2 7AD | Map | Website |
| Redmaids' High School | BRISTOL Avon, BS9 3AW | Map | Website |
| Rendcomb College | CIRENCESTER Gloucestershire, GL7 7HA | Map | Website |
| Royal High School Bath | BATH Avon, BA1 5SZ | Map | Website |
| Sherborne Girls | SHERBORNE Dorset, DT9 3QN | Map | Website |
| Sherborne Preparatory School | SHERBORNE Dorset, DT9 3NY | Map | Website |
| Sherborne School | SHERBORNE Dorset, DT9 3AP | Map | Website |
| Sir William Borlase's Grammar School | MARLOW Buckinghamshire, SL7 2BR | Map | Website |
| Spratton Hall School | NORTHAMPTON Northamptonshire, NN6 8HP | Map | Website |
| Stonar School | ATWORTH Wiltshire, SN12 8NT | Map | Website |
| Taunton School | TAUNTON Somerset, TA2 6AD | Map | Website |
| The Downs School | NR BRISTOL Somerset, BS48 1PF | Map | Website |
| The King's School, Gloucester | GLOUCESTER Gloucestershire, GL1 2BG | Map | Website |
| The King's School, Worcester | WORCESTER Worcestershire, WR1 2LL | Map | Website |
| The Oratory School | READING Oxfordshire, RG8 0PJ | Map | Website |
| Truro School | TRURO Cornwall, TR1 1TH | Map | Website |
| Warminster School | WARMINSTER Wiltshire, BA12 8PJ | Map | Website |
| Wellington School | WELLINGTON Somerset, TA21 8NT | Map | Website |
| Wells Cathedral School | WELLS Somerset, BA5 2ST | Map | Website |
| Westonbirt School | TETBURY Gloucestershire, GL8 8QG | Map | Website |
| Woodlands School | BASILDON Essex, SS16 5BA | Map | Website |
| Wycliffe College | STONEHOUSE Gloucestershire, GL10 2JQ | Map | Website |
| Ysgol Calon Cymru | POWYS Wales, | tbc | Website |
| Ysgol Maes y Gwendraeth | LLANELLI Carmarthenshire, SA14 7DT | Map | Website |
